CVE-2025-5623
A vulnerability was found in D-Link DIR-816 1.10CNB05.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 19.5%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.
Description
A vulnerability was found in D-Link DIR-816 1.10CNB05. It has been classified as critical. This affects the function qosClassifier of the file /goform/qosClassifier. The manipulation of the argument dip_address/sip_address leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.
- CVSS 4.0
- 9.3 CRITICALCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 19.48% probability · 97th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-119, CWE-121, CWE-787
- Affected
- dlink/dir-816 firmware
- Source
- cna@vuldb.com
EPSS 19.5% since 1 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/wudipjq/my_vuln/blob/main/D-Link5/vuln_51/51.mdExploit, Third Party Advisory
- https://vuldb.com/?ctiid.311109Permissions Required
- https://vuldb.com/?id.311109Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.589224Third Party Advisory, VDB Entry
- https://www.dlink.com/Product
- https://github.com/wudipjq/my_vuln/blob/main/D-Link5/vuln_51/51.mdExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.